CVE-2017-12623

medium Apache
CVSS v3 Base Score
6.5
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS Score
0.3%
Exploitation probability in 30 days
Top 47% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Confidentiality
High
Integrity
None
Availability
None
Published: October 10, 2017 (3138 days ago)
Last Modified: May 13, 2026
Vendor: Apache
Source: NVD

Description

An authorized user could upload a template which contained malicious code and accessed sensitive files via an XML External Entity (XXE) attack. The fix to properly handle XML External Entities was applied on the Apache NiFi 1.4.0 release. Users running a prior 1.x release should upgrade to the appropriate release.

CWE

CWE-611

Affected Products

apache nifi

References